{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948842,-0.315750,0.000000,0.000000,0.176530,-0.530479,0.829114,0.000000,-0.261241,0.785041,0.561662,0.000000,-1667994.621011,5012391.579112,3562139.778028,1],    "boundingVolume": {    "region": [1.891975,0.596340,1.892112,0.596447,0.000000,8.578271]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1055986.b3dm"}}}